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From: Pavel Roskin <proski@gnu.org>
To: Michael Buesch <mb@bu3sch.de>
Cc: "Stefanik Gábor" <netrolller.3d@gmail.com>,
	linux-wireless <linux-wireless@vger.kernel.org>,
	"bcm43xx-dev@lists.berlios.de" <bcm43xx-dev@lists.berlios.de>,
	linux-kernel@vger.kernel.org
Subject: Re: Wireless-testing's b43 panics in b43_generate_txhdr on packet transmit
Date: Sat, 31 May 2008 12:50:36 -0400	[thread overview]
Message-ID: <1212252636.2766.10.camel@rd> (raw)
In-Reply-To: <200805311841.46740.mb@bu3sch.de>

On Sat, 2008-05-31 at 18:41 +0200, Michael Buesch wrote:
> On Saturday 31 May 2008 18:34:29 Stefanik G=E1bor wrote:
> > "BUG: unable to handle kernel NULL pointer dereference at 00000004
> > IP: [<f8dd3a99>] :b43:b43_generate_txhdr+0x6a9/0x790
>=20
> So can you put a few printks into the function to see where it derefe=
rences
> a NULL pointer? (or use gdb to lookup the offset).

u8 key_idx =3D info->control.hw_key->hw_key_idx;

info->control.hw_key is NULL.

--=20
Regards,
Pavel Roskin
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WARNING: multiple messages have this Message-ID (diff)
From: Pavel Roskin <proski@gnu.org>
To: Michael Buesch <mb@bu3sch.de>
Cc: "Stefanik Gábor" <netrolller.3d@gmail.com>,
	linux-wireless <linux-wireless@vger.kernel.org>,
	"bcm43xx-dev@lists.berlios.de" <bcm43xx-dev@lists.berlios.de>,
	linux-kernel@vger.kernel.org
Subject: Re: Wireless-testing's b43 panics in b43_generate_txhdr on packet transmit
Date: Sat, 31 May 2008 12:50:36 -0400	[thread overview]
Message-ID: <1212252636.2766.10.camel@rd> (raw)
In-Reply-To: <200805311841.46740.mb@bu3sch.de>

On Sat, 2008-05-31 at 18:41 +0200, Michael Buesch wrote:
> On Saturday 31 May 2008 18:34:29 Stefanik Gábor wrote:
> > "BUG: unable to handle kernel NULL pointer dereference at 00000004
> > IP: [<f8dd3a99>] :b43:b43_generate_txhdr+0x6a9/0x790
> 
> So can you put a few printks into the function to see where it dereferences
> a NULL pointer? (or use gdb to lookup the offset).

u8 key_idx = info->control.hw_key->hw_key_idx;

info->control.hw_key is NULL.

-- 
Regards,
Pavel Roskin

  reply	other threads:[~2008-05-31 16:50 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-05-31 14:23 Wireless-testing's b43 panics in b43_generate_txhdr on packet transmit Stefanik Gábor
2008-05-31 14:23 ` Stefanik Gábor
2008-05-31 15:11 ` Michael Buesch
2008-05-31 15:11   ` Michael Buesch
2008-05-31 16:34   ` Stefanik Gábor
2008-05-31 16:41     ` Michael Buesch
2008-05-31 16:41       ` Michael Buesch
2008-05-31 16:50       ` Pavel Roskin [this message]
2008-05-31 16:50         ` Pavel Roskin
2008-05-31 17:54         ` Michael Buesch
2008-05-31 17:54           ` Michael Buesch
2008-05-31 20:22           ` Johannes Berg
2008-05-31 20:29             ` Stefanik Gábor
2008-05-31 20:29               ` Stefanik Gábor
2008-05-31 20:48               ` Michael Buesch
2008-05-31 20:48                 ` Michael Buesch
     [not found]             ` <20080602000841.qjrd66s3esgscko0-cebfxv@fcnzpbc.arg@webmail.spamcop.net>
2008-06-02  4:33               ` Pavel Roskin
2008-06-02  7:47           ` Johannes Berg
2008-05-31 16:48 ` Pavel Roskin
2008-05-31 16:48   ` Pavel Roskin
2008-05-31 16:54   ` Stefanik Gábor
2008-05-31 17:06     ` Pavel Roskin
2008-05-31 17:06       ` Pavel Roskin
2008-05-31 17:59   ` Michael Buesch

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